Thanks Helen!

I'll do this way.
But how long varchar should I use?
Aren't there problems if set varchar(4000) for example?

Sandor

> Your problem is that you defined the procedure SP_TBL1 with blobs

as input

> arguments but, in the second procedure, you pass strings as

arguments to

> it. A string isn't a blob.
>
> With Firebird (but not IB) change SP_TBL1 to take varchars as
> arguments. The INSERT statement will work just fine inserting

strings into

> blobs because the DSQL parser will convert them for DML operations.
>
> heLen